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Thread: GS-150 Fuel Average & tappet setting

  1. #1
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    Exclamation GS-150 Fuel Average & tappet setting

    hello PW members!
    guys i own a gs-150 2009 model. running is 2300kms uptil now as i use my bike very sparingly & take care of it like a baby
    few days ago, i checked the fuel average of my bike & to my surprise, it was mere 31km/lit
    i scrolled through different threads regarding gs-150 at Pakwheels.com, and the fuel average mentioned on those threads was 40-42kms/lit. now plz tell me, "how I can increase the fuel average ???"
    moreover, im planning a tour during the next month to deosai on my bike. my cousin told me that "long tours k liye bike k tappet loose krwanay partay hain"
    is it really true??? kia mje long route py janay k liye bike k tappet ki resetting krwani paray gi???

    waiting for ur guidance, specially from the senior members like IMRAN BHATTI sb.


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    what procedure was adopted to check the average, fuel quality and quantity is a big problem in the market.
    muhammadasifmehmood@yahoo.com
    Cell#: 0300-4007480

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    @mamehmood
    sir i myself checked the fuel average. i emptied the fuel tank & then poured exact 1 litre of petrol(bcoz the reading of petrol volume on the fuel stations is incorrect) . noted the meter reading & when the bike was out of fuel, i noted the reading again. regarding the quality, i use only caltex for my bike, which, i think, has a better quality.

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    no replies

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    @mohsin_ahmad,

    The procedure u adopted to measure for fuel consumption seems ok but a bit dificult.

    While considering Fuel consumption the some of the most imporatnt aspect is the driving conditions & driving habit of rider.

    Considering tYpical riding style observed in our country its realy very hard to get good fule average from any bike.

    Talking specificaly for 125~150 cc bikes there recomended econo speed in top gear is 45~55 Kmph so if u cross this range consumtion will be affected. Other than that some other imporatant factors are as below,


    • Throtle response during Gear Changing.
    • Econo speed to shift in next gear.
    • Length of diffrent Runs.
    • Multiple time starting
    • Stucke in Rush etc.
    So a good rider can easily get 40~45 Kmpl milage form any 125 ~ 150 cc bikes depending on other factors.

    My experince on Econo ride widin the city is to get ~ 44 Kmpl from Storm 125 & ~ 42 Kmpl on GS 150. & if riden at full throtle both these bikes hardly gives ~ 30 Kmpl in city ride.

    Which was ur previuos bike ? & wat consumption u were getting form that ?

    Regarding getting loose tappet for long tours i dont agreed with it.

    On high ways at full throtle & with 2 passengers Both above mentioned bikes gives ~ 42 Kmpl.
    Exploring Machines is my Passion...

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    thanx alot 4 ur kind guidance imran bhai! i prevoiusly owned cd 70. ihavent got the bike tuned for the second time. does tunig increase the avg??? tappet adjustment ka koi effect hta hy avg py??? im feeling that the bike needs tappet adjustment after runnig 2300 kms.

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    Imran Bhatti Bhai gave a detailed explanation on the Fuel Consumption. Let me add one thing to Imran Bhai's contribution: Tire Pressure, Tire Types

    Under-inflated tire pressures can screw up your fuel economy. Keep them inflated on the pressure mentioned on your bike's tires. Secondly, always check/fill the tires when cold. Why? Because air pressure may be read inaccuratley when the tires are warm, resulting in the tires being under-inflated because when the tires cool down, the air inside will also cool down and will get compressed. Air expands when hot.

    Tire types also influence your fuel economy. If you put on Trail Bike tires on your bike- your fuel efficiency will reduce drastically.

    About the valve clearance setting ("tappats") .... you should never have them changed...just leave them in the original factory setting. Have them checked after 6000-7000kms for their valve clearance only- (they will check the space with a filler guage) or when they make a lot of noise (tick-tick-tick-tick-tick...)

    Valve Clearance should never be changed. Nor should the bike's engine idling (that screw thingy near the carb). I, sadly, discovered this very very late. The reason for this is that valve clearance setting should be changed on a stone cold engine. Here we just ride in at the mechanics, get it checked and changed and ride off - while the engine is very hot.

    Valve clearance affect your fuel average and your bike's power. They should be set at the setting mentioned in the owner's manual. Changing them wont increase your top speed (to the best of my knowledge) but will most likely harm the engine!

    Wrong valve clearance setting can lead to damage to the piston that will result in the bike giving smoke from the exhaust.

    I hope I conveyed this message to you in time ... all the best!
    Rollin' on a hundred chromed spokes

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    my gs-150 is also giving 32 km in 1 liter... rear tyre is from honda deluxe, no other alteration , i am going to sell it or exchange it with honda 125.
    if someone interested txt me 0300-4949596

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    Quote Originally Posted by silentbiker View Post
    my gs-150 is also giving 32 km in 1 liter... rear tyre is from honda deluxe, no other alteration , i am going to sell it or exchange it with honda 125.
    if someone interested txt me 0300-4949596
    why u want to exchange.....is any problem with ur gs150 or just for high fuel consumption...............well i m interested.

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    nai yar bus dil bhar giya hay, ab koi kawasaki 400 wagaira tayar karwaonga,

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    I have a 2010 GS 150 and it now has 21,000 km on it.

    I just came to know its giving out smoke from exhaust.

    1) What do I need to do to resolve this problem?

    2) What will the average cost be for such a repair?

    Sulaiman

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    Quote Originally Posted by Sulaiman75 View Post
    I have a 2010 GS 150 and it now has 21,000 km on it.

    I just came to know its giving out smoke from exhaust.

    1) What do I need to do to resolve this problem?

    2) What will the average cost be for such a repair?

    Sulaiman
    oops, never a good sign on a 4 stroke. what color is the smoke?

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    Quote Originally Posted by Sulaiman75 View Post
    I have a 2010 GS 150 and it now has 21,000 km on it.

    I just came to know its giving out smoke from exhaust.

    1) What do I need to do to resolve this problem?

    2) What will the average cost be for such a repair?

    Sulaiman
    That's early for a sealed engine to give smoke.
    Mind sharing which engine oil was used and what drain interval?

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    Quote Originally Posted by Sulaiman75 View Post
    I have a 2010 GS 150 and it now has 21,000 km on it.

    I just came to know its giving out smoke from exhaust.

    1) What do I need to do to resolve this problem?

    2) What will the average cost be for such a repair?

    Sulaiman
    your registration number is KFY, is'nt it 2011 or 2012? because mine is KFC series 2011 and 26k on the clock and still going strong ALLHAMDULLILAH. take it to Suzuki FR in Saddar and they will let you know the reason
    people need to grow up sometimes and act MATURE !

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    Quote Originally Posted by Sulaiman75 View Post
    I have a 2010 GS 150 and it now has 21,000 km on it.

    I just came to know its giving out smoke from exhaust.

    1) What do I need to do to resolve this problem?

    2) What will the average cost be for such a repair?

    Sulaiman
    Sulaiman sahab isnt it astonishing that you just came to know smoke is coming from exhaust? ! exhaust sy smoke e tou aega whatelse do you expect to come out from exhaust Pardon me for the lame joke.

    Dear Sir, it might be because of worn piston seal, any smoke other than burnt gases coming from exhaust signifies something unusual is getting into the combustion chamber. First thought comes to mind is The Engine Oil, which generally is the reason of odd smoke coming from exhaust. So check if the engine oil level is decreasing or not? Other reason appears to me is bad quality fuel which is less likely to be the cause or clogged up / deposits / dirty carburetor. This is all i can suggest with limited information provided. Whereas for the cost of such repair, I cannot quantify an amount but it might be well under Rs.5000/-

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    Well.... The avg shud be between 45-50 for euro model and non euro model gives 35-40 avg km per litre...

    Now i share my personal experience... While driving at avg speed of 60-80... I get avg around 48...

    All becoz of low compression engine of gs150.. When u ride it around 60-80.. Bike runs smooth does nt feels like pressurizing the engine ... So the best possible millage shud come where bike runs smoothly....

    For setting mixture... First get ur bike in hot state... Ride it for good 1 to 4 km and ride it hard... After that U must have experience of listening the strokes.... Increase the RPM via RPM SCREW at 2000 rpm... Close down the mixture screw (clockwise) and gently start opening it (anticlockwise ).... Before that... (assuming that u know whr RPM and mixture located on Carburetor)...

    Now just listen it carefully ... Whreve u see strokes r not heavy ( shud b shrill sound of strokes) and are equal... Dig dig sound is coming at equal interval... Thats the optimum setting... Here ur bike shud do top speed and non euro will give around 35 millage... Now just rotate back 25% percent of total rotation (clockwise).... This point having good carburetor condition can give millage upto 40... For Euro it will give millage around 48 but... Will not go to 120 mark .. And on double .. It can do 100 ...

    Now coming toward valves clearance...

    Its simple.. After setting T marker , Stock setting is 0.004 for jntake valve (carburetor side) and 0.006 is for exaust valve (silencer side valve)

    But recommended is after setting the T Marker vakve clearance shud b 0.005 for intake and 0.006 for exaust... This will increase tappiet sound a bit but bike will be supper smooth...

    And valve clearance shud b done in cold state...

    Traditional mechanics will urgue on this valve clearance setting but this is wat i do... And i did three 400km trips after setting it... And tappiets and valves r unchanged since then..

    Please opt it only if u have good quality tools.. Specially 17" for Tappiet covers ... 12" for removing euro unit..14" for setting the T Marker.... And 10 " for Tappiet nut adjsutment and L key of 14" to open T marker opener..... Rachits and L key set r must ... Otherwise u wud end harming the nut corners .... And this can cost u

    Sent from my HUAWEI G610-U20 using Tapatalk 2

  17. #17
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    Dear tucknology what are the stock valve setting in (mm) measurement and I hope you don't mind if I ask you where did you know these settings, as far as I know the manual says something else.

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    Quote Originally Posted by mohsin_ahmed View Post
    hello PW members!
    guys i own a gs-150 2009 model. running is 2300kms uptil now as i use my bike very sparingly & take care of it like a baby
    few days ago, i checked the fuel average of my bike & to my surprise, it was mere 31km/lit
    i scrolled through different threads regarding gs-150 at Pakwheels.com, and the fuel average mentioned on those threads was 40-42kms/lit. now plz tell me, "how I can increase the fuel average ???"
    moreover, im planning a tour during the next month to deosai on my bike. my cousin told me that "long tours k liye bike k tappet loose krwanay partay hain"
    is it really true??? kia mje long route py janay k liye bike k tappet ki resetting krwani paray gi???

    waiting for ur guidance, specially from the senior members like IMRAN BHATTI sb.
    Taped jitny loose ho gy bike utni halki aur easily chlyy gi aur talled loose sy bike bagti vi fit ha


    Mirza

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    Described in Manual setting are 100% correct my bike is running on as per manual setting at Intake 0.04mm & EXh 0.13mm & i am getting this fuel average 47-50 from my Gs
    Quote Originally Posted by emb5 View Post
    Dear tucknology what are the stock valve setting in (mm) measurement and I hope you don't mind if I ask you where did you know these settings, as far as I know the manual says something else.

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    Quote Originally Posted by Meeteepao View Post
    Imran Bhatti Bhai gave a detailed explanation on the Fuel Consumption. Let me add one thing to Imran Bhai's contribution: Tire Pressure, Tire Types



    Tire types also influence your fuel economy. If you put on Trail Bike tires on your bike- your fuel efficiency will reduce drastically.

    I hope I conveyed this message to you in time ... all the best!
    But your road grip will drastically increase.

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